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A TV that fails to power on after a power cut is not an uncommon problem. However, this does not always indicate a catastrophic problem with the TV, and you can often restore power and full functionality to the TV with some simple and painless home troubleshooting. You can save money on costly TV repair or replacement and time on the phone with Panasonic customer support representative who is going to walk you through all of the same troubleshooting steps you can do on your own anyway.
Check the power cable for any looseness or damage. Whether plugged into a standard electrical socket or a surge protector, even slight loosening can prevent the TV from powering on. If you use a surge protector, make sure it was not switched off during the outage (if so, power it back on). Also, make sure the other end of the power cable is not detached from the TV, as many Panasonic TVs are built with this feature. Try turning on the TV again.
Plug the power cable into an alternative electrical socket or extension lead. Another common cause of this issue is that an electrical socket or surge protector was damaged during the power cut and now is not giving any current. Plug the TV's power cable into a different socket, a different surge protector or simply bypass the surge protector and plug the cable directly into a socket. Again, try to power on the TV to see if this resolves the problem.
Replace the fuse in the TV set's plug. If this doesn't work, contact Panasonic technical support. This is probably the extent of the troubleshooting you can perform on your own if the TV still does not power on at this point. Contacting Panasonic is a good step here because the TV still may be under warranty and you may potentially save money by having the TV's power cable or the TV itself serviced or replaced.
- Never open up the back of a TV set yourself as this can invalidate the warranty.
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